A thyroid hormone byproduct called Reverse T3 might attach to receptors outside the cell nucleus and help cells multiply. However, scientists aren't sure yet if this actually matters for human health or could be used to treat diseases involving abnormal cell growth.

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Evidence from Studies

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Clinical and laboratory aspects of 3,3′,5′-triiodothyronine (reverse T3)

Narrative Review

Human

2021 Jan

The study confirms that reverse T3 can attach to receptors outside the cell nucleus and might help cells grow, but doctors still need more research to understand how important this is for treating diseases.

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Source Study

Clinical and laboratory aspects of 3,3′,5′-triiodothyronine (reverse T3)

Score: 1

DOI: 10.1177/0004563220969150

Similar Assertions

Reverse T3 is a byproduct of your thyroid hormone system that doesn't activate your body's metabolism like normal thyroid hormones do. Instead, it acts like a traffic cop that redirects your thyroid hormones away from becoming active, helping your body control how much thyroid hormone is actually available to use.

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